253686686352 has 80 divisors (see below), whose sum is σ = 756990245952. Its totient is φ = 72352706560.

The previous prime is 253686686329. The next prime is 253686686387.

253686686352 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14122413 + ... + 14140364.

Almost surely, 2^253686686352 is an apocalyptic number.

253686686352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253686686352 is an abundant number, since it is smaller than the sum of its proper divisors (503303559600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253686686352 is a wasteful number, since it uses less digits than its factorization.

253686686352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28262816 (or 28262810 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 60.

The spelling of 253686686352 in words is "two hundred fifty-three billion, six hundred eighty-six million, six hundred eighty-six thousand, three hundred fifty-two".